Circular saw



FIG. 1 is a front elevational view of a circular saw in accordance with the design;

FIG. 2 is a rear elevational view of the circular saw in FIG. 1;

FIG. 3 is a right side elevational view of the circular saw in FIG. 1;

FIG. 4 is a left side elevational view of the circular saw in FIG. 1;

FIG. 5 is a top plan view of the circular saw in FIG. 1;

FIG. 6 is a bottom plan view of the circular saw in FIG. 1;

FIG. 7 is a top-rear-left perspective view of the design of FIG. 1;

FIG. 8 is a front-top-left perspective view of the design of FIG. 1 where the handle is slightly lifted to form a very acute angle with the base frame, and the blade forms with the base frame as substantially 90° angle.

FIG. 9 is a view similar to FIG. 8 except the handle is further lifted to form with the base frame an acute angle greater than the angle of FIG. 8; and,

FIG. 10 is a view similar to FIG. 8 except the blade and the handle tilt to the front so that the blade forms with the base frame an angle other than 90°. 

The ornamental design for a circular saw, as shown and described. 